Which molecule is least likely to cross a cellular membrane by simple diffusion?
a. water
b. oxygen
c. nitrogen
d. potassium ion
e. carbon dioxide
d
You might also like to view...
Match the following items with the correct phrases.
_______1. Crenation of red blood cells would occur if they were placed into a(n) __________ solution. _______2. Adding large quantities of salt or sugar to various types of foods is a way of preserving them. If bacteria should enter such foods, they would find themselves in a(n) __________ environment. _______3. If red blood cells were placed into a(n) __________ solution, they might hemolyze. a. hypertonic b. hypotonic c. isotonic d. gin and tonic
A asset tube contains red blood cells and a salt solution. When the tube is held up to a page, you cannot see the print. with reference to a concentration of 0.9% sodium chloride (NaCL), how concentrated is the salt solution?
What will be an ideal response?
This procedure is a technique used to generate large quantities of DNA from minute amounts for analysis.
A. variable number tandem repeat reaction (VNTR) B. polymerase chain reaction (PCR) C. DNA fingerprinting D. polymerization reaction
Essential plant nutrients include carbon, potassium, calcium, and nitrogen.
Answer the following statement true (T) or false (F)